176839-76-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176839-76-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,8,3 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 176839-76:
(8*1)+(7*7)+(6*6)+(5*8)+(4*3)+(3*9)+(2*7)+(1*6)=192
192 % 10 = 2
So 176839-76-2 is a valid CAS Registry Number.